j.d., the joint information environment. so if i were to leave you one thought of what we could and should do as a nation, we should protect these networks better than we have been protected today. not just within the defense department but also our critical infrastructures. time and again we're seeing where people have exploited into these networks only to find out that the way they're getting in is so easy that is difficult to defend. so step one, chairman, i think is a defensible architecture. attacks are growing. it was mentioned by the ranking member, the attacks we saw against wall street and around the world, the destructive attacks that hit saudi aramco, and most recently the sands corporation. when you look at those destructive attacks, they just tried data on systems. that had to be replaced. this is facing difficult change from disruptive attacks which only disrupt for the time that attack is going on versus the destructive attack where the information is actually lost. far more damaging, far more timely, far more